46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
import os
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import binascii
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from Crypto.PublicKey import RSA
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from typing import Callable
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KEY_DIR = os.path.join(
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os.path.dirname(os.path.abspath(__file__)), '..', 'config'
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)
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def _new_key() -> str:
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return binascii.hexlify(os.urandom(32)).decode('utf-8')
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def get_secret_key(name: str, new_key: Callable[[], str] = _new_key) -> str:
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key_path = os.path.join(KEY_DIR, f'{name}.key')
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if not os.path.exists(key_path):
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k = new_key()
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with open(key_path, 'w+') as f:
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f.write(k)
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return k
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with open(key_path) as f:
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return f.read()
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class Key(object):
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def __init__(self, user: str, domain: str, create: bool = True) -> None:
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user = user.replace('.', '_')
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domain = domain.replace('.', '_')
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key_path = os.path.join(KEY_DIR, f'key_{user}_{domain}.pem')
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if os.path.isfile(key_path):
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with open(key_path) as f:
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self.privkey_pem = f.read()
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self.privkey = RSA.importKey(self.privkey_pem)
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self.pubkey_pem = self.privkey.publickey().exportKey('PEM').decode('utf-8')
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else:
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if not create:
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raise Exception('must init private key first')
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k = RSA.generate(4096)
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self.privkey_pem = k.exportKey('PEM').decode('utf-8')
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self.pubkey_pem = k.publickey().exportKey('PEM').decode('utf-8')
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with open(key_path, 'w') as f:
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f.write(self.privkey_pem)
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self.privkey = k
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